Finding the Fourth Proportional to 68,787.04, 103,177.68 and 22,038.88
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Solution
The fourth proportional to 68,787.04, 103,177.68 and 22,038.88 is: 33,057.40
Step by Step Solution
- Step 1: Write the proportion equation
68,787.04 : 103,177.68 = 22,038.88 : x - Step 2: Convert to fraction form
68,787.04/103,177.68 = 22,038.88/x - Step 3: Cross multiply
68,787.04x = 103,177.68 × 22,038.88 - Step 4: Simplify right side
68,787.04x = 2,273,920,508.20 - Step 5: Solve for x
x = 2,273,920,508.20/68,787.04 - Step 6: Final answer
x = 33,057.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.